#mammals

We already live a very long time for mammals, getting three times as many heartbeats as a mouse or elephant. It never seems enough though, does it? ↗

— David Brin

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#does #elephant #enough #getting #heartbeats

Dogs are the only mammals that will actually stare and look into a human's eyes. ↗

— Jerry O'Connell

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#dogs #eyes #human #into #look

Geologists are rapidly becoming convinced that the mammals spread from their central Asian point of origin largely because of great variations in climate. ↗

— Ellsworth Huntington

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#because #becoming #central #climate #convinced